Just turn on tabs wrapping via View > Tabs > Wrap tabs to get rid of the tab scrolling button.
So much space wasted (and less than six characters remaining to have the titles complete).
If you join a few tabs together, you should expect the shortening of the joined tab title. CafeTran is designed to work on normal lower resolution computers too (not only on the super ultra hi-res retina display on MacBooks and iMacs). Mac users are treated on an equal footing with Windows and Linux users.
There is a new tab visualization under Mac OS Look & Feel:
I do not know if they are better or not, bit the very small button at the right side